1251945

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:701

約数の個数: 24

約数和(自身を含む): 2223936

約数和(自身を除く): 971991

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 647, 1935, 1941, 3235, 5823, 9705, 27821, 29115, 83463, 139105, 250389, 417315, 1251945]

約数ペア:

[(1, 1251945), (3, 417315), (5, 250389), (9, 139105), (15, 83463), (43, 29115), (45, 27821), (129, 9705), (215, 5823), (387, 3235), (645, 1941), (647, 1935)]